Could not install Nginx/Mysql/PHP – aaPanel

Here is the log.
sort: cannot read: ping.pl: No such file or directory
–2022-03-18 10:16:07– node.aapanel.com/install/3/nginx.sh
Resolving node.aapanel.com (node.aapanel.com)… 104.21.79.196, 172.67.171.7, 2606:4700:3031::6815:4fc4, …
Connecting to node.aapanel.com (node.aapanel.com)|104.21.79.196|:443… connected.
HTTP request sent, awaiting response… 200 OK
Length: 17175 (17K) [application/octet-stream]
Saving to: ‘nginx.sh’

0K ………. …… 100% 33.0M=0s

2022-03-18 10:16:07 (33.0 MB/s) – ‘nginx.sh’ saved [17175/17175]

/www/server/panel/install/public.sh: line 63: 4.85971e+09-4.85971e+09: syntax error: invalid arithmetic operator (error token is “.85971e+09-4.85971e+09”)
/www/server/panel/install/public.sh: line 63: 4.85971e+09-4.85971e+09: syntax error: invalid arithmetic operator (error token is “.85971e+09-4.85971e+09”)
|-Successify —Script execution completed—